Aroma diffuser



FIG. 1 is a front elevational view of an aroma diffuser showing my newdesign;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top perspective view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines in the drawings illustrate portions of the aromadiffuser which form no part of the claimed design.

CLAIM The ornamental design for an aroma diffuser, as shown anddescribed.